It's NCAA tournament time. Who do you think will win the tournament? Pick the winner of each game below to create your bracket.

There's been a lot of parity this season, with perennial powerhouses showing they are vulnerable to upsets, and teams making the tournament for the first time in years -- or ever in the case of Northwestern.

Only two of the four No. 1 seeds were apparent by the time the selection show began on Sunday -- Villanova (no. 1 overall) and Kansas (No. 2 overall). Gonzaga and North Carolina were among those vying for the other two top seeds, along with Duke, Louisville and UCLA.